Vulnerability Description
A vulnerability exists in the HCI IEC 60870-5-104 that affects the RTU500 series product versions listed below. Incomplete or wrong received APDU frame layout may cause blocking on link layer. Error reason was an endless blocking when reading incoming frames on link layer with wrong length information of APDU or delayed reception of data octets. Only communication link of affected HCI IEC 60870-5-104 is blocked. If attack sequence stops the communication to the previously attacked link gets normal again.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Hitachienergy | Rtu520 Firmware | >= 12.0.1, <= 12.0.14 |
| Hitachienergy | Rtu520 | - |
| Hitachienergy | Rtu530 Firmware | >= 12.0.1, <= 12.0.14 |
| Hitachienergy | Rtu530 | - |
| Hitachienergy | Rtu540 Firmware | >= 12.0.1, <= 12.0.14 |
| Hitachienergy | Rtu540 | - |
| Hitachienergy | Rtu560 Firmware | >= 12.0.1, <= 12.0.14 |
| Hitachienergy | Rtu560 | - |
Related Weaknesses (CWE)
References
- https://publisher.hitachienergy.com/preview?DocumentId=8DBD000176&languageCode=eVendor Advisory
- https://publisher.hitachienergy.com/preview?DocumentId=8DBD000176&languageCode=eVendor Advisory
FAQ
What is CVE-2023-5768?
CVE-2023-5768 is a vulnerability with a CVSS score of 5.9 (MEDIUM). A vulnerability exists in the HCI IEC 60870-5-104 that affects the RTU500 series product versions listed below. Incomplete or wrong received APDU frame layout may cause blocking on link layer. Error...
How severe is CVE-2023-5768?
CVE-2023-5768 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-5768?
Check the references section above for vendor advisories and patch information. Affected products include: Hitachienergy Rtu520 Firmware, Hitachienergy Rtu520, Hitachienergy Rtu530 Firmware, Hitachienergy Rtu530, Hitachienergy Rtu540 Firmware.